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Implement almost all functionality

Browse Source 
Add keywords and identifiers
Add comments
Add number literals
Add strings
Add a lot of new tokens
Add (and clean up) IF etc.
Improve reporting of unexpected chars / garbage bytes
Fix bug with and improved error messages when failing to open file
Add verbose-level messages about how files are opened
Enforce that files finish with a newline
Fix chars returned not being cast to unsigned char (may conflict w/ EOF)
Return null path when no file is open, rather than crash
Unify and improve error printing slightly

Known to be missing: macro expansion, REPT blocks, EQUS expansions
This commit is contained in:
ISSOtm
2020-07-28 22:06:03 +02:00
parent 71f8871702
commit 4c9a929a14
12 changed files with 1139 additions and 235 deletions
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21
src/asm/warning.c
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@@ -198,14 +198,14 @@ void processWarningFlag(char const *flag)
warnx("Unknown warning `%s`", flag);
}
void verror(const char *fmt, va_list args, char const *flag)
void printDiag(const char *fmt, va_list args, char const *type,
char const *flagfmt, char const *flag)
{
fputs("ERROR: ", stderr);
fputs(type, stderr);
fstk_Dump();
fprintf(stderr, flag ? ": [-Werror=%s]\n " : ":\n ", flag);
fprintf(stderr, flagfmt, flag);
vfprintf(stderr, fmt, args);
lexer_DumpStringExpansions();
nbErrors++;
}
void error(const char *fmt, ...)
@@ -213,8 +213,9 @@ void error(const char *fmt, ...)
va_list args;
va_start(args, fmt);
verror(fmt, args, NULL);
printDiag(fmt, args, "ERROR: ", "\n ", NULL);
va_end(args);
nbErrors++;
}
noreturn_ void fatalerror(const char *fmt, ...)
@@ -222,7 +223,7 @@ noreturn_ void fatalerror(const char *fmt, ...)
va_list args;
va_start(args, fmt);
verror(fmt, args, NULL);
printDiag(fmt, args, "FATAL: ", "\n ", NULL);
va_end(args);
exit(1);
@@ -240,7 +241,7 @@ void warning(enum WarningID id, char const *fmt, ...)
return;
case WARNING_ERROR:
verror(fmt, args, flag);
printDiag(fmt, args, "ERROR: ", "[-Werror=%s]\n ", flag);
va_end(args);
return;
@@ -252,11 +253,7 @@ void warning(enum WarningID id, char const *fmt, ...)
break;
}
fputs("warning: ", stderr);
fstk_Dump();
fprintf(stderr, ": [-W%s]\n ", flag);
vfprintf(stderr, fmt, args);
lexer_DumpStringExpansions();
printDiag(fmt, args, "warning: ", "[-W%s]\n ", flag);
va_end(args);
}